Housing: Heating
The question
To ask the Secretary of State for Housing, Communities and Local Government, pursuant to the Answer of 4 September 2025 to to Question 73498 on Housing: heating, whether the Future Homes and Buildings Standards consultation received representations from housebuilders and end-users on the (a) performance and (b) sizing of radiator systems in new homes.
Answered by Samantha Dixon
The energy performance of radiator systems in new-build homes is governed by the Building Regulations, which are the responsibility of the Ministry of Housing, Communities & Local Government. Associated statutory guidance is provided in the Approved Documents which accompany the Building Regulations. We draw on evidence from industry and the public to inform Approved Document guidance and ensure new homes are high-quality and energy efficient. While the Future Homes and Buildings Standards consultation did not include specific questions on sizing radiators, the existing Approved Document L Volume 1 provides guidance on this.
This guidance was last updated in 2021 following two consultations which provided housebuilders and end-users with the opportunity to provide feedback, and an impact assessment was published at the time of implementation. Separately, the Department for Energy Security and Net Zero recently ran a consultation on raising product standards for space heating. This set out proposals which would drive improvements in the efficiency of new heating appliances and closed in March 2025.
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